from bs4 import BeautifulSoup 

import re

print u'获取Lacie的链接'

link_node = soup.find('a', herf = 'http://example.com/lacie')

print link_node.name,link_node['href'],link_node.get_text()

报错：

Traceback (most recent call last):  File "libar.py", line 28, in

print link_node.name,link_node['href'],link_node.get_text() AttributeError: 'NoneType' object has no attribute 'name' 

求助各位大神